Amid the climate catastrophe that is raising temperatures to modern extremes, 13 of the hottest states in the U.S. still don’t provide cooling in prison. The country has no national standards for heating during the winter or air conditioning during the summer. With more than 1,155 state prisons, 122 federal prisons, 3,116 local jails, and juvenile and immigration detention centers that often lack both, the problem is deadly.